TCP & UDP Port 53 Information
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Services or applications using this port:Domain name server
Malicious services / applications:ADMworm
Port 53 details:
Protocol: TCP & UDP
IAMA status: Official
Traffic: inbound, outbound, both
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Technical description for port 53:
The DNS or Domain Name Server is utilized in different purposes on UDP and TCP. The UDP is primarily responsible for individual lookups while the TCP covers the zone transfers involving record databases of full names. DNS reveals a security gap as zone transfers may expose the whole map of networks making it prone to attackers. It is vital that users keep versions or patches of security protocols updated to avoid exploitation.
The DNS is structured as dispersed database system with the root name server on the top of the hierarchy. It follows a client and server model with domains or sub-domains distributing information pertinent to a particular domain or sub-domain.
The DNS permits transmission of the Datagram messages through the network of computers. The DNS is primarily utilized in multi-resolution involving ISPs, networks, 3GPP, and unmanaged networks. RA option, AnyCast Addresses, and DHCPv6 options are solutions that can be handled to configure a DNS server.
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